About this role
Senior Backend Engineer (Ruby on Rails) at Titan OS. Location: Barcelona, Catalonia, Spain. Role: designing services, maintaining databases, optimizing performance Requirements: 7+ years backend experience, proficiency in Ruby on Rails, SQL/NoSQL databases, cloud platforms (AWS/GCP/Azure), Docker, Kubernetes, RESTful API design, and focus on scalability, performance, and security. Fluent English. Category: Software Development Seniority: Senior Level Tools: Ruby on Rails, SQL, NoSQL, AWS, GCP, Azure, Docker, Kubernetes, RESTful API Commitment: Full Time Workplace: Hybrid Languages: English